On December 22, 2006, Houghton Mifflin Company and Riverdeep, a Dublin-based courseware publisher, were acquired by Houghton Mifflin Riverdeep Group, PLC, a newly formed Irish public limited company.

Recent Financial Information

SEC Filings
You may go directly to the U.S. Securities and Exchange Commission to view Houghton Mifflin's filings in the SEC database.

Corporate Governance
Since the founding of Houghton Mifflin Company in 1832, ethical behavior and respect for the law have been fundamental to our culture and to our business practices. We are committed to conducting our business in strict compliance with both the letter and the spirit of the law, and with the highest standards of professional and ethical conduct.

Code of Conduct

Investor Contacts
Investor inquiries can be submitted via e-mail: investor_relations@hmco.com.

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